/*
 * Copyright (C) 2022 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.systemui.biometrics.udfps

import android.graphics.Rect
import android.os.Build
import android.util.Log
import com.android.systemui.dagger.SysUISingleton

/** Returns whether the touch coordinates are within the sensor's bounding box. */
@SysUISingleton
class BoundingBoxOverlapDetector(private val targetSize: Float) : OverlapDetector {

    private val TAG = "BoundingBoxOverlapDetector"

    override fun isGoodOverlap(
        touchData: NormalizedTouchData,
        nativeSensorBounds: Rect,
        nativeOverlayBounds: Rect,
    ): Boolean {
        val scaledRadius = (nativeSensorBounds.width() / 2) * targetSize
        val scaledSensorBounds =
            Rect(
                (nativeSensorBounds.centerX() - scaledRadius).toInt(),
                (nativeSensorBounds.centerY() - scaledRadius).toInt(),
                (nativeSensorBounds.centerX() + scaledRadius).toInt(),
                (nativeSensorBounds.centerY() + scaledRadius).toInt(),
            )

        return touchData.isWithinBounds(scaledSensorBounds)
    }
}
